Home / 820,774.68-1,231,551.90-568,443.48

Finding the Fourth Proportional to 820,774.68, 1,231,551.90 and 568,443.48

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Solution

The fourth proportional to 820,774.68, 1,231,551.90 and 568,443.48 is: 852,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,774.68 : 1,231,551.90 = 568,443.48 : x
  2. Step 2: Convert to fraction form
    820,774.68/1,231,551.90 = 568,443.48/x
  3. Step 3: Cross multiply
    820,774.68x = 1,231,551.90 × 568,443.48
  4. Step 4: Simplify right side
    820,774.68x = 700,067,647,836.61
  5. Step 5: Solve for x
    x = 700,067,647,836.61/820,774.68
  6. Step 6: Final answer
    x = 852,935.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.